9348| 37
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這兩個零件好加工么,成本高么 |
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點評
開一套模具不用花錢嗎?
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小黑屋|手機版|Archiver|機械社區(qū) ( 京ICP備10217105號-1,京ICP證050210號,浙公網(wǎng)安備33038202004372號 )
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